Question

11) A tumor is found compressing the dorsal root ganglion of the 3rd thoracic region. Which deficiency would you expect the patient to have? (1 point) A) Movement of the arm B) Pressure sensations on the shoulder C) Movement of the leg D) Movement of the head or neck E) Itching sensations in the foot 12) Damage to the L3 nerve root would cause all of the following symptoms EXCEPT (1 point) A) Adduction of the thigh B) Sensory at the medial malleolus C) Plantar flexion of the ankle/foot D) Sensory at the knee E) Flexion of the hip

multiple choice, thanks!

Answer 1

Answer

11) b) pressure sensation on the shoulder

Explanation : Dorsal root of the T3 spinal nerve carries sensory fibers towards the spinal cord. These sensory fibers can carry sensation of temperature pressure touch pain vibration and proprioception.

Ventral root carries the fibers for movement i.e motor fibers.

12) plantar flexion of ankle or foot

Explanation : Plantar flexion of ankle or foot is supplied by S3